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Search Publications by: Kevin L. Silverman (Fed)

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Displaying 51 - 75 of 102

Superconducting Transition-Edge Sensors for Waveguide Coupled Single Photon Detection

July 25, 2010
Author(s)
Anna E. Fox, Adriana E. Lita, Brice R. Calkins, Kevin L. Silverman, Richard P. Mirin, Sae Woo Nam
We present the design and important preliminary superconducting properties of an evanescently coupled number resolving single photon detector operating near 1550 nm in development for integration into a silicon-on-insulator waveguide based optical system.

Dark pulse quantum dot diode laser

June 7, 2010
Author(s)
Mingming M. Feng, Kevin L. Silverman, Richard P. Mirin, Steven T. Cundiff
We describe an operating regime for passively mode-locked quantum dot diode laser where the output consists of a train of dark pulses, i.e., intensity dips on a continuous background. We show that a dark pulse train is a solution to the master equation for

Wavelength bistability and switching in two-section quantum-dot diode lasers

June 1, 2010
Author(s)
Mingming M. Feng, Kevin L. Silverman, Richard P. Mirin, Steven T. Cundiff
We report lasing wavelength bistability with respect to applied bias on the saturable absorbers in two-section mode-locked quantum dot lasers. We show data from three different devices exhibiting wavelength bistability. All lasers display wavelength

Intensity dynamics in semiconductor laser arrays

July 13, 2009
Author(s)
Kevin L. Silverman, Mingming M. Feng, Richard P. Mirin, Steven T. Cundiff, Matt Williams, J. Nathan N. Kutz
The dynamics of a five-emitter semiconductor laser array is studied theoretically with steady-state, oscillatory, and chaotic behaviors achieved. This provides a design tool for achieving oscillations whose frequency is related to injection current.

Intensity dynamics in a waveguide array laser

May 31, 2009
Author(s)
Mingming M. Feng, Steven T. Cundiff, Kevin L. Silverman, Richard Mirin, Matt Williams, J. Nathan N. Kutz
We report the intensity dynamics of a five-emitter laser array subject to a linearly decreasing injection current. The array produces oscillatory power output with a nearly Pi phase shift between the oscillations of adjacent waveguides.

Wavelength bistability in two-section mode-locked quantum-dot diode lasers

June 1, 2007
Author(s)
Mingming M. Feng, N. A. Brilliant, Steven T. Cundiff, Richard Mirin, Kevin L. Silverman
We report a two-section mode-locked quantum dot laser with an emission wavelength that is bistable with respect to applied bias on the saturable absorber region. The two stable lasing wavelengths for this device are 1173 nm and 1166 nm with a power

Temperature dependence of quantum dot homogeneous linewidth

May 26, 2006
Author(s)
Joseph J. Berry, Martin Stevens, Richard Mirin, Kevin L. Silverman
We examine the temperature dependence of the ground state homogeneous linewidth in InGaAs/GaAs quantum dots. Measurements are performed on quantum dots in a semiconductor waveguide.

High-resolution spectroscopic measurements of InGaAs/GaAs self-assembled quantum dots

May 12, 2006
Author(s)
Joseph J. Berry, Martin Stevens, Richard Mirin, Kevin L. Silverman
We report development of two absorption-based spectroscopic methods that have been adapted from atomic physics techniques to elucidate the basic physical properties of InGaAs/GaAs self-assembled quantum dots(SAQDs). Absorptive spectroscopic measurements

High-resolution spectral hole burning in InGaAs/GaAs quantum dots

February 10, 2006
Author(s)
Joseph J. Berry, Martin Stevens, Richard Mirin, Kevin L. Silverman
We report the use of continuous wave spectral hole burning to perform high-resolution spectroscopy of the homogeneous linewidth of self-assembled InGaAs/GaAs quantum dots at low temperature. We use this technique to examine the power broadening behavior of
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